E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/27 (2006.01) C09K 8/62 (2006.01) C09K 8/92 (2006.01)
Patent
CA 2104691
2104691 9217683 PCTABS00016 An encapsulated breaker chemical composition used in an oil or gas stimulation operation which comprises: a breaker chemical; and a pinhole free coating of an ionically and covalently crosslinked neutralized sulfonated elastomeric polymer of about 2 to about 80 microns thick deposited onto the surface of the breaker chemical, wherein said polymer encapsulates the breaker chemical, wherein the polymer is permeable to the breaker chemical and the polymer is non-reactive to the breaker chemical.
Drake Evelyn Nobles
Geiger Albert J.
Kresge Edward Nathan
Manalastas Pacifico Viernes
Mcdougall Lee Allen
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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